| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting device and a photographic apparatus capable of increasing a life of an LED. <P>SOLUTION: In a lighting device 100 and a photographic apparatus 200 including LEDs 111, 112, 113, and 114 which are turned on when driving current is fed and are turned off when the feed of the driving current is interrupted, and transistors 121, 122, 123 and 124 which feed the driving current to the LED 111, 112, 113, and 114 respectively, the driving currents from the transistors 121, 122, 123, and 124 are intermittently fed to the LEDs 111, 112, 113, and 114 respectively to alternately repeat a feeding period and a interruption period. <P>COPYRIGHT: (C)2012,JPO&INPIT |
